/*
 * Copyright 2015 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.shell.result;

import org.springframework.shell.ResultHandler;

/**
 * A {@link ResultHandler} that deals with {@link Iterable}s and delegates to
 * {@link TypeHierarchyResultHandler} for each element in turn.
 *
 * @author Eric Bottard
 */
public class IterableResultHandler implements ResultHandler<Iterable> {

	private ResultHandler delegate;

	// Setter injection to avoid circular dependency at creation time
	void setDelegate(ResultHandler delegate) {
		this.delegate = delegate;
	}

	@Override
	@SuppressWarnings("unchecked")
	public void handleResult(Iterable result) {
		for (Object o : result) {
			delegate.handleResult(o);
		}
	}
}
